Citroen C6 (2017) is 56 mm (2.20 inch) longer and 208 kg (459 lbs) lighter than Toyota Highlander (2015).
Toyota Highlander (2015) is 66 mm (2.60 inch) wider, 267 mm (10.51 inch) higher and has 444 liters (15.68 ft3) bigger cargo space than Citroen C6 (2017).